Photocatalyst module device
By using cold cathode ultraviolet lamps in the photocatalyst module device, the problems of small illumination area and low irradiation intensity of the traditional photocatalyst network are solved, and efficient photocatalytic effect and extended equipment life are achieved, which is suitable for air disinfection and purification equipment.
Patent Information
- Application Number
- CN202510947685.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-10
- Publication Date
- 2025-10-10
AI Technical Summary
The traditional photocatalyst net has a limited illumination specific surface area, and the ultraviolet light source used is an ordinary hot cathode ultraviolet lamp, which has low irradiation intensity and short life, affecting the photocatalytic effect.
A photocatalyst module device is designed, which adopts cold cathode ultraviolet lamps, including a built-in cold cathode ultraviolet lamp and multiple external cold cathode ultraviolet lamps. The device has a compact structure, and a ventilation gap is provided between the photocatalyst cylindrical base net and the cold cathode lamp, which reduces wind resistance, increases the illumination area, improves the irradiation intensity, and extends the life of the equipment.
It improves the photocatalytic efficiency, reduces energy consumption, increases the output of negative oxygen ions, prolongs the service life of the equipment, has the functions of disinfection and sterilization and decomposition and degradation of organic pollutants, and is suitable for a variety of air purification and air disinfection equipment.
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Figure CN120754699A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of photocatalysts, and in particular to a photocatalyst module device. Background Art
[0002] Nano-titanium dioxide photocatalyst materials produce hydroxyl radicals, superoxide anion radicals, and negative oxygen ions when exposed to ultraviolet light of a specific wavelength. This process is also called photocatalysis, so photocatalyst technology is also called photocatalytic technology.
[0003] Traditional photocatalyst nets have a limited surface area for illumination. The UV light source used is a conventional hot cathode UV lamp, which has low irradiation intensity and a short service life, directly affecting the photocatalytic effect. Therefore, there is an urgent need to design a photocatalyst module device that reduces wind resistance, increases the illuminated area, improves the photocatalytic effect, reduces energy consumption of the fan and UV lamp, and extends the device's service life. Summary of the Invention
[0004] The purpose of the present invention is to overcome the above-mentioned shortcomings and provide a photocatalyst module device. The photocatalyst cylindrical base net has a built-in cold cathode ultraviolet lamp and multiple external cold cathode ultraviolet lamps. It has a compact structure and irradiates the inner and outer surfaces of the photocatalyst unit, thereby improving the photocatalytic efficiency. It has the functions of disinfection and sterilization, decomposition and degradation of organic pollutants, generation of negative oxygen ions, and reduction of energy consumption. It is widely applicable to various air purification and air disinfection equipment as an optimal supporting device.
[0005] The object of the present invention is achieved like this: A photocatalyst module device includes at least one photocatalyst unit, which includes a photocatalyst cylindrical base net, a cylindrical bracket and a first ultraviolet lamp. The photocatalyst cylindrical base net is wrapped around the circumference of the cylindrical bracket, and the first ultraviolet lamp is fixed at the center of the cylindrical bracket.
[0006] Preferably, the cylindrical bracket includes bone bars, a fixing ring and a mounting rib plate. The cylindrical bracket is evenly distributed with bone bars around the circumference. Both ends of the multiple bone bars are fixed by fixing rings. The fixing ring at the top is connected to the mounting rib plate. A first ultraviolet lamp mounting hole is provided in the center of the mounting rib plate. The mounting rib plate has mounting ears extending radially outward.
[0007] Preferably, the photocatalyst unit is provided with fixing brackets at the top and bottom, the cylindrical bracket is fixed to the fixing bracket via mounting ears, and the first ultraviolet lamp is inserted into the first ultraviolet lamp mounting hole and fixed to the cylindrical bracket via screws.
[0008] Preferably, the fixing ring at the bottom end is connected to the limiting ribs, the limiting ribs are arranged radially, and a supporting and fixing arc section is provided corresponding to the head of the first ultraviolet lamp.
[0009] Preferably, the fixing bracket is provided with a photocatalyst unit mounting hole corresponding to the photocatalyst unit, the photocatalyst unit mounting hole is adapted to the outer circle size of the photocatalyst cylindrical base net, and the photocatalyst unit mounting hole is evenly distributed with 4 second ultraviolet lamp mounting holes in the circumference, and the second ultraviolet lamp mounting holes are used to install the second ultraviolet lamp.
[0010] Preferably, the photocatalyst cylindrical base mesh is formed by spraying a photocatalyst coating on the inner and outer surfaces of a foam nickel mesh and curing the coating, and the photocatalyst coating is nano-grade anatase titanium dioxide.
[0011] Preferably, each ultraviolet lamp uses a cold cathode with a wavelength of UVC 253.7nm.
[0012] The beneficial effects of the present invention are: The photocatalyst cylindrical base net is in the shape of a cylinder with an open mouth. There is a ventilation gap between the photocatalyst cylindrical base net and the cold cathode ultraviolet lamp, which has low wind resistance, large ventilation volume, and reduced fan energy consumption. The irradiation intensity of the cold cathode ultraviolet lamp is more than twice that of the hot cathode ultraviolet lamp of the same power. The effective service life of the cold cathode ultraviolet lamp is more than twice that of the hot cathode ultraviolet lamp. While improving the photocatalytic efficiency, it can also extend the service life of the equipment and increase the output of negative oxygen ions. It has the functions of disinfection and sterilization, decomposition and degradation of organic pollutants, etc. It has a good promoting effect on improving the indoor living, indoor working and indoor gathering environment of humans, and providing a friendly growth (survival) environment for indoor animal breeding and plant planting. It is widely applicable to various air disinfection and purification equipment and is used in various places; The number of photocatalyst units can be set as needed. The modular design of the photocatalyst unit facilitates assembly, maintenance and replacement. Each photocatalyst unit has a built-in UV lamp and 4 external UV lamps. The compact structure irradiates the inner and outer surfaces of the photocatalyst unit, greatly improving the photocatalytic efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a schematic diagram of the three-dimensional structure of a photocatalyst module device embodiment 1 of the present invention (single photocatalyst unit).
[0014] Figure 2 Schematic diagram of the three-dimensional structure of the photocatalyst unit.
[0015] Figure 3 Schematic diagram of the assembly structure of the photocatalyst unit.
[0016] Figure 4 This is a front view of a second embodiment of a photocatalyst module device according to the present invention (two photocatalyst units).
[0017] Figure 5 This is a front view of a second embodiment of a photocatalyst module device according to the present invention (four photocatalyst units).
[0018] Wherein: photocatalyst unit 1; photocatalyst cylindrical base net 1.1; cylindrical bracket 1.2; bone bar 1.2.1; fixing ring 1.2.2; mounting rib 1.2.3; first ultraviolet lamp mounting hole 1.2.3.1; mounting ear 1.2.3.2; limiting rib 1.2.4; first ultraviolet lamp 1.3; fixing bracket 2; second ultraviolet lamp 3. DETAILED DESCRIPTION Example 1
[0019] See also Figure 1-3 The present invention relates to a photocatalyst module device, comprising a photocatalyst unit 1, wherein the photocatalyst unit 1 is provided with a fixing bracket 2 on the upper and lower sides, wherein the photocatalyst unit 1 comprises a photocatalyst cylindrical base net 1.1, a cylindrical bracket 1.2 and a first ultraviolet lamp 1.3, wherein the photocatalyst cylindrical base net 1.1 is coated on the circumferential surface of the cylindrical bracket 1.2 and is fixed to the outside of the cylindrical bracket 1.2 by a nickel wire, wherein the first ultraviolet lamp 1.3 is fixed to the center of the cylindrical bracket 1.2, wherein the cylindrical bracket 1.2 comprises a bone bar 1.2.1, a fixing ring 1.2.2 and a mounting rib 1.2.3 ... The bracket 1.2 is evenly distributed with bone strips 1.2.1 around the circumference, and both ends of the multiple bone strips 1.2.1 are fixed by fixing rings 1.2.2. The fixing rings 1.2.2 improve the strength of the cylindrical bracket 1.2. The fixing ring 1.2.2 at one end is connected to the mounting rib 1.2.3, and the fixing ring 1.2.2 at the other end is connected to the limiting rib 1.2.4. The limiting rib 1.2.4 is radially arranged, and a supporting and fixing arc section is provided corresponding to the head of the first ultraviolet lamp 1.3, so that the two ends of the first ultraviolet lamp 1.3 are fixed, thereby preventing the first ultraviolet lamp from swinging due to loose fixation and affecting the photocatalytic effect.
[0020] A first ultraviolet lamp mounting hole 1.2.3.1 is provided in the center of the mounting rib 1.2.3, and a mounting ear 1.2.3.2 extends radially outward from the mounting rib 1.2.3, which is fixed to the fixing bracket 2 through the mounting ear 1.2.3.2. The first ultraviolet lamp 1.3 is inserted into the first ultraviolet lamp mounting hole 1.2.3.1 and fixed by screws.
[0021] The fixing bracket 2 is provided with a photocatalyst unit mounting hole corresponding to the photocatalyst unit 1 . The photocatalyst unit mounting hole is evenly distributed with four second ultraviolet lamp mounting holes in the circumference. The second ultraviolet lamp mounting holes are used to install the second ultraviolet lamp 3 to irradiate the outside of the photocatalyst unit 1 .
[0022] The second ultraviolet lamp 3 extends downward from the second ultraviolet lamp mounting hole of the upper fixing bracket 2 into the second ultraviolet lamp mounting hole of the lower fixing bracket 2, and the tail portion is fixed to the upper fixing bracket by screws.
[0023] The photocatalyst cylindrical base mesh 1.1 is formed by spraying a photocatalytic coating on the inner and outer surfaces of a nickel foam mesh. The photocatalytic coating is nano-anatase titanium dioxide. Each UV lamp uses a cold cathode with a UVC wavelength of 253.7nm. The irradiation intensity at this wavelength is more than twice that of a hot cathode UV lamp, while generating no heat. Its service life is more than twice that of a hot cathode UV lamp. Example 2
[0024] See also Figure 4 and Figure 5 The present invention relates to a photocatalyst module device, comprising a plurality of photocatalyst units 1 arranged in an array, wherein the photocatalyst unit 1 is provided with a fixing bracket 2 above and below, and the photocatalyst unit 1 comprises a photocatalyst cylindrical base net 1.1, a cylindrical bracket 1.2 and a first ultraviolet lamp 1.3, wherein the photocatalyst cylindrical base net 1.1 is coated on the circumferential surface of the cylindrical bracket 1.2 and is fixed to the outside of the cylindrical bracket 1.2 by a nickel wire, and the first ultraviolet lamp 1.3 is fixed to the center of the cylindrical bracket 1.2, and the cylindrical bracket 1.2 comprises a bone bar 1.2.1, a fixing ring 1.2.2 and a mounting rib 1.2.3. The cylindrical bracket 1.2 is evenly distributed with bone strips 1.2.1 around the circumference, and both ends of the multiple bone strips 1.2.1 are fixed by fixing rings 1.2.2. The fixing rings 1.2.2 improve the strength of the cylindrical bracket 1.2. The fixing ring 1.2.2 at one end is connected to the mounting rib 1.2.3, and the fixing ring 1.2.2 at the other end is connected to the limiting rib 1.2.4. The limiting rib 1.2.4 is radially arranged, and a supporting and fixing arc section is provided corresponding to the head of the first ultraviolet lamp 1.3, so that the two ends of the first ultraviolet lamp 1.3 are fixed, thereby preventing the first ultraviolet lamp from swinging due to loose fixation and affecting the photocatalytic effect.
[0025] A first ultraviolet lamp mounting hole 1.2.3.1 is provided in the center of the mounting rib 1.2.3, and a mounting ear 1.2.3.2 extends radially outward from the mounting rib 1.2.3, which is fixed to the fixing bracket 2 through the mounting ear 1.2.3.2. The first ultraviolet lamp 1.3 is inserted into the first ultraviolet lamp mounting hole 1.2.3.1 and fixed by screws.
[0026] The fixing bracket 2 is provided with a photocatalyst unit mounting hole corresponding to each photocatalyst unit 1 . The photocatalyst unit mounting hole is evenly distributed with four second ultraviolet lamp mounting holes in the circumference. The second ultraviolet lamp mounting holes are used to install the second ultraviolet lamp 3 to irradiate the outside of the photocatalyst unit 1 .
[0027] The second ultraviolet lamp 3 extends downward from the second ultraviolet lamp mounting hole of the upper fixing bracket 2 into the second ultraviolet lamp mounting hole of the lower fixing bracket 2, and the tail portion is fixed to the upper fixing bracket by screws.
[0028] Two adjacent photocatalyst units 1 in the horizontal direction share two second ultraviolet lamps 3, and two adjacent photocatalyst units 1 in the vertical direction also share two second ultraviolet lamps, ensuring that one ultraviolet lamp is set inside each photocatalyst unit 1 and four ultraviolet lamps are set around the outside, increasing the irradiation area of the photocatalyst cylindrical base net 1.1 and irradiating evenly. Each photocatalyst unit 1 can receive sufficient light source inside and outside, achieving the technical effect of catalytic photocatalysis, improving the efficiency of photocatalytic reaction, and improving the disinfection and purification function of air. Figure 4 As shown, the photocatalyst unit 1 array is provided with two, the first ultraviolet lamp uses two, the second ultraviolet lamp uses six; Figure 5 As shown, the array of photocatalyst units 1 is provided with four, four first ultraviolet lamps are used, and nine second ultraviolet lamps are used.
[0029] In addition to the above embodiments, the present invention also includes other implementation methods. Any technical solutions formed by equivalent transformation or equivalent replacement should fall within the scope of protection of the claims of the present invention.
Claims
1. A photocatalyst module device, characterized in that: It comprises at least one photocatalyst unit, which comprises a photocatalyst cylindrical base net, a cylindrical bracket and a first ultraviolet lamp. The photocatalyst cylindrical base net is wrapped around the circumference of the cylindrical bracket, and the first ultraviolet lamp is fixed at the center of the cylindrical bracket.
2. A photocatalyst module device according to claim 1, characterized in that: The cylindrical bracket includes bone strips, a fixing ring and a mounting rib plate. The cylindrical bracket is evenly distributed with bone strips around the circumference. Both ends of the multiple bone strips are fixed by fixing rings. The fixing ring at the top is connected to the mounting rib plate. A first ultraviolet lamp mounting hole is provided in the center of the mounting rib plate. The mounting rib plate is provided with a mounting ear extending radially outward.
3. The photocatalyst module device according to claim 2, characterized in that: The photocatalyst unit is provided with fixing brackets on the upper and lower sides. The cylindrical bracket is fixed to the fixing bracket via mounting ears. The first ultraviolet lamp is inserted into the first ultraviolet lamp mounting hole and fixed to the cylindrical bracket via screws.
4. The photocatalyst module device according to claim 2, characterized in that: The fixing ring at the bottom end is connected to the limiting ribs, which are arranged radially and have a supporting and fixing arc section corresponding to the head of the first ultraviolet lamp.
5. The photocatalyst module device according to claim 1, characterized in that: The fixing bracket is provided with a photocatalyst unit mounting hole corresponding to the photocatalyst unit, and the photocatalyst unit mounting hole is adapted to the outer circle size of the photocatalyst cylindrical base net. The photocatalyst unit mounting hole is evenly distributed with 4 second ultraviolet lamp mounting holes in the circumference, and the second ultraviolet lamp mounting holes are used to install the second ultraviolet lamp.
6. The photocatalyst module device according to claim 1, characterized in that: The photocatalyst cylindrical base net is formed by spraying a photocatalyst coating on the inner and outer surfaces of a foam nickel net, and the photocatalyst coating is nano-grade anatase titanium dioxide.
7. The photocatalyst module device according to claim 1, characterized in that: Each UV lamp uses a cold cathode with a wavelength of UVC253.7nm.